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Equinix Announces Proposed $500 Million Public Offering of Senior Notes

Foster City, CA, February 22, 2010 - Equinix, Inc. (NASDAQ: EQIX), a provider of global data center services, today announced that it intends to offer, subject to market and other conditions, $500 million aggregate principal amount of its senior notes due 2018 under an automatically effective shelf registration statement on file with the Securities and Exchange Commission (SEC). The notes will be Equinix's general senior obligations and will rank equal in right of payment to all of its existing and future senior indebtedness and interest will be payable semi-annually. The interest rate, offering price and other terms of the notes will be determined by Equinix and the underwriters.

Equinix intends to use the net proceeds from this offering for general corporate purposes, which may include expansion capital expenditures and the repayment of indebtedness, including indebtedness that it expects to assume in connection with its planned acquisition of Switch & Data Facilities Company, Inc. (Switch and Data).

Equinix has filed a registration statement (including a preliminary prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the registration statement and accompanying preliminary prospectus for more complete information about Equinix and this offering. You may get the preliminary prospectus for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, copies may be obtained from Citigroup Global Markets Inc. at the following address: Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, New York 11220 or by calling toll-free at: 800-831-9146 or from J.P. Morgan Securities Inc. at the following address: 4 Chase Metrotech Center, CS Level, Brooklyn, New York 11245 Attention: Chase Distribution & Support Service Northeast Statement Processing or by calling toll-free at: 866-430-0686.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of these securities, in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

About Equinix, Inc.

Equinix, Inc. provides global data center services that ensure the vitality of the information-driven world. Global enterprises, content and financial companies, and network service providers rely upon Equinix's insight and expertise to protect and connect their most valued information assets. Equinix operates 49 International Business Exchange™ (IBX®) data centers across 18 markets in North America, Europe and Asia-Pacific.

Important information about Equinix is routinely posted on the investor relations page of its website located atwww.equinix.com/investors. We encourage you to check Equinix's website regularly for the most up-to-date information.

Equinix and IBX are registered trademarks of Equinix, Inc. International Business Exchange is a trademark of Equinix, Inc.

Forward Looking Statements

This press release contains statements relating to the proposed offering of notes and the acquisition of Switch and Data that are forward-looking statements pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties that could cause actual results to differ materially, including, but not limited to, whether or not Equinix will offer the notes or consummate the offering, the final terms of the offering, prevailing market conditions, the anticipated principal amount of the notes, which could differ based upon market conditions, the anticipated use of the proceeds of the offering, which could change as a result of market conditions or for other reasons, unanticipated costs or difficulties relating to the integration of Switch and Data into Equinix and the satisfaction or waiver of closing conditions related to the Switch and Data acquisition, including the clearance of the transaction by the Department of Justice under the Hart-Scott-Rodino Antitrust Improvement Act, as amended.

Investors in Equinix are cautioned not to place undue reliance on its forward-looking statements, which speak only as of the date such statements are made. Equinix does not undertake any obligation to publicly update any forward-looking statements to reflect events, circumstances or new information after this press release, or to reflect the occurrence of unanticipated events.

About Us

Equinix connects the world's leading businesses to their customers, employees and partners inside the world's most connected data centers in 44+ markets across five continents. In Finland, Equinix operates data centers in Helsinki.